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Questions and Answers
What is the study of microorganisms?
What is the study of microorganisms?
- Botany
- Ecology
- Microbiology (correct)
- Zoology
What is the basic unit of life in biology?
What is the basic unit of life in biology?
- Nucleus
- Cell (correct)
- Cell membrane
- Cytoplasm
What is the molecule that contains genetic information?
What is the molecule that contains genetic information?
- Lipid
- DNA (correct)
- RNA
- Protein
What is the process by which organisms with favorable traits are more likely to survive and reproduce?
What is the process by which organisms with favorable traits are more likely to survive and reproduce?
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What are the non-living components of an ecosystem?
What are the non-living components of an ecosystem?
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What are the building blocks of cells?
What are the building blocks of cells?
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Study Notes
Branches of Biology
- Botany: study of plants
- Zoology: study of animals
- Microbiology: study of microorganisms
- Ecology: study of interactions between organisms and their environment
Cell Biology
- Cell: basic unit of life
- Components:
- Plasma membrane
- Cytoplasm
- Nucleus
- Functions:
- Metabolism
- Growth
- Response to stimuli
- Components:
Genetics
- Heredity: transmission of traits from parents to offspring
- DNA (Deoxyribonucleic acid): molecule that contains genetic information
- Genes: segments of DNA that code for specific traits
- Traits: characteristics of an organism
Evolution
- Theory of Evolution: organisms change over time through natural selection
- Natural Selection: process by which organisms with favorable traits are more likely to survive and reproduce
- Speciation: formation of new species
- Fossil Record: evidence of evolution through fossilized remains
Ecosystems
- Ecosystem: community of organisms and their environment
- Biotic factors: living components (organisms)
- Abiotic factors: non-living components (water, sunlight, temperature)
- Energy flow: energy transfer between organisms in an ecosystem
- Food webs: networks of predator-prey relationships
Biological Molecules
- Carbohydrates: energy source for cells
- Proteins: building blocks of cells
- Lipids: energy storage and cell membrane structure
- Nucleic acids: DNA and RNA
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